#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
//int main() {
//	int arr[10] = { 1,2,3,4,5,6,7,8,9,10 };
//	int* a = &arr;
//	a++;
//	printf("%d", *a);
//	return 0;
//}
int main() {
	int arr[10] = { 1,2,3,4,5,6,7,8,9,10 };
	int* p1 = &arr[0];
	int* p2 = &arr[9];
	printf("%d", p2 - p1);
	return 0;
}